Mallet is a shaping tool used for general purpose work like flattening, bending and forming to required shape of sheet metal. Mallets are made of hard wood.
When using any metal hammer for flattening the sheet metal, the face of the hammer may damage or leave impression on the sheet more than what is required for the job. To avoid such damage and a impression, mallets are used.
4) Mallet is made of
Answer is:
Hard wood
Explanation:
Related Sheet Metal Work MCQ - Electrician (Set-1) with Answers
Answer is:
Malleable and ductile
Explanation:
Ductility It is a property of a material enabling it to be drawn into wires.
Malleability It is a property of a material enabling it to be drawn into thin sheets.
Answer is:
Double grooved seam joint
Explanation:
Double grooved seam joint is suitable for roofing works.
Answer is:
Ball pane hammer
Explanation:
Ball pane hammer is used for flattening the metal around punched hole.
Answer is:
Lap joint
Explanation:
Single riveted lap joint: This is the simplest and most commonly used type of joint. This joint is useful for joining both thick and thin plates. In this, the plates to be joined are overlapped at the ends and single row of rivets is placed in the middle of the lap.
Double riveted lap joint: This type of joint will have two rows of rivets. The overlap is large enough to accommodate two rows of rivets.
